/Engine/Source/Editor/BlueprintGraph/Classes/K2Node_CommutativeAssociativeBinaryOperator.h
class UK2Node_CommutativeAssociativeBinaryOperator : public [UK2Node_CallFunction](API\Editor\BlueprintGraph\UK2Node_CallFunction), public [IK2Node_AddPinInterface](API\Editor\BlueprintGraph\IK2Node_AddPinInterface)
int32
NumAdditionalInputs
The number of additional input pins to generate for this node (2 base pins are not included)